Scaling Under Dynamic Uncertainty Using Laws of Growth

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International Symposium on Robust Design (ISoRD'14) Technical University of Denmark, DTU

Scaling Under Dynamic Uncertainty Using Laws of Growth
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Author:Julian Lotz (Institute for Product Development and Machine Elements, Technische Universität Darmstadt, Germany)
Hermann Kloberdanz (Institute for Product Development and Machine Elements, Technische Universität Darmstadt, Germany)
Date: 2014-08-14     Track: Main     Session: 10:30-12:00 Oral Session 1 - Robustness in Design
DOI:10.4122/dtu:2083

This paper gives an overview of methods used to describe uncertainty in size range development. Laws of growth, scenario laws of growth and probabilistic laws of growth are extended to allow the calculation of dynamic, size-dependent product behaviour. Dynamic product behaviour can depend on time or load cycles, such as corrosion and wear. Effects such as these can be size-dependent, an issue that is also considered in this paper. The extended methods are explained using a pushrod as an example product.